Table 1. Cranial landmarks.

Symbol	Landmark
PMv	Premaxilla–Maxilla ventral suture
PM	Premaxilla–Maxilla anterior suture
Nant	Nasal–anterior extreme
NP	Nasal–Premaxilla–anterior suture
Cl	Canine–lateral extreme
Cm	Canine–mesial extreme
M1	Anterior lateral M1
MRL	Posterior lateral M2
M1m	Anterior mesial M1
PalM	Palatine–Maxilla ventral suture
JMv	Jugal–Maxilla ventral suture
JMd	Jugal–Maxilla dorsal suture
NF	Nasal–Frontal suture
JML	Jugal–Maxilla–Lacrimal suture
LFM	Lacrimal–Frontal–Maxilla suture
PB	Postorbital process of the frontal
Ba	Bulla–anterior extreme
Pt	Pterygoid–posterior extreme
PFL	Palatine–Frontal–Lacrimal suture
OAF	Orbitosphenoid–Alisphenoid–Frontal suture
BP	Basisphenoid–Presphenoid suture
PP	Presphenoid–Palatine suture
JSv	Jugal–Squamosal ventral suture
JSd	Jugal–Squamosal dorsal suture
Bp	Bulla–posterior extreme
POcc	Paraoccipital process
OC	Occipital condyle–lateral extreme
BBB	Basioccipital-Basisphenoid-Bulla suture
PF	Parietal–Frontal suture
PO	Parietal–Occipital suture
PSA	Parietal–Squamosal–Alisphenoid suture
PFA	Parietal–Frontal–Alisphenoid suture

Shown in Figure 1. Midline traits are marked in bold.